Umbrella.



No. 781,433, PATENTEDJAN. 31, 1905.

' A. KORTENBAGH may WORRING.

UMBRELLA.

' APPLICATION FILED 001226, 1904.

. conical metal tube alone.

UNIT I STATES Patented January 31; 1905.

PATENT OFFICE.

UMBRELLA.

SPECIFICATION forming part of Letters Patent No. 781,4.33, dated January 31, 1905.

' Application file October 26, 1904. Serial No. 230,090.

To all whom it may concern Be it known that we, AUGUST KoRTENBAoH and KARL WORRING, citizens of the Empire of Germany, residing at Weyer, in Rhineland,

' in the Empire of Germany, have invented a new and useful Umbrella, of which the following is aspecification.

Our invention relates 'to' improvements in umbrellas and parasols with tubular metal sticks, whereby the umbrellas and parasols are rendered slender and light, as is requiredv by the leading fashion.

The objects of our improvement are, first, to so reduce the upper part of the tubular metal stick in diameter in several steps that it tapers to the end; second, to apply the umbrella-notch to one of the steps of the tubu-' tube on the tubular metal stick and leading up to the flanges of the notch. We attain these objects by the umbrella or parasol illustrated in the accompanying drawings, in which- Figure 1 is an elevation of a top piece, a con cal metal tube, and a conical cap put together. Fig. 2 is an elevation of the upper reduced part of a tubular metalstick. Fig. 3 is an elevation of the top piece alone. Fig.

4 is a vertical longitudinal section through the Fig. 5 is avertical longitudinal section through the conical cap alone. Fig. 6 is an elevation of an umbrellanotch. Fig. 7 is a plan of the same; and Fig. 8 is an elevation of the upper part of the umbrella or parasol, the upper end of the tubular metal stick, the conical metal tube, and

the conical cap being shown in section, the

left and the right ribs being alone shown and the canopy or cover being omitted.

Similar characters of reference refer to similar parts throughout the several views.

According to our invention the upper part end.

the tube.

I of the tubular metal stick 1 is reduced in diameter in several (here three) steps 2, 3, and 1, so that the stick 1 tapers toward the upper Otherwise the stick 1, which is circular in cross-section, may be made or shaped as usual.

6 denotes the ordinary stop for limiting the stroke of the'runner. (Not shown.)

The umbrella-notch 7 (see Figs. 6 and 7) is applied to one (here the second) step 3 of the stick 1 intermediate the two ends of this step, as shown in Fig. 8. cured on the stick 1 by means of a pin 9, as usual. .The notch 7 is in a known manner pivotally connected with the several ribs 10 10, a wire being passed through the top eyes of the ribs 10 10 between the two flanges of the notch 7 and closed. The ribs 10 10 are shown as made ofU-shaped steel bar; but they may also be of any other known construction.

The upper end of the tubular -metal stick 1 it may be provided with several longitudinal grooves 14:, as shown.

From an inspection of Figs. 2 and 8 it will be evident that the reduced part of the tubu lar metal stick 1 above the notch 7 does not look nice or strong. For this reason a conical metal tube 15 (see Fig. 4:) is employed, which is to inclose the reduced part of the stick 1 between the top piece 12 and the notch 7. The narrow end of thistube 15 is made slightly larger in its internal diameter than the intermediate part 13 of the top piece 12, so that this part 13 can be introduced into Afterward the tub e15 is pressed on the intermediate part 13 by means of a suitable machine-tool, whereby the tube 15 is rigidly connected with the top piece 12-. The grooves 14 or other roughness of the intermediate part 13 prevent the two parts 15 and 12 from getting loose and shifting. The screw-threaded part 11 of the top piece 12 can be introduced into the female thread 5 of The notch 7 may be sei is in any known manner provided with a fethe stick and screwed home by turning the tube with the hand until the end face of the stick 1 bears against the shoulder 16 of the top piece 12. The conical metal tube 15 is preferably made thin, so as to reduce as much as possible its weight. Then it would be liable to'bending and becoming distorted during the screwing operation or the use, and thereby getting off the top piece 12. To prevent this, a conical cap 17, (see Figs. 1 and 5,) produced from sheet metal by drawing or otherwise, is employed, whose reduced part 18 can be fitted tightly into the wide end of the conical metal tube 15, so that the lower edge of the latter bears against the shoulder 19 of the cap. At the upper edge the cap 17 is bent, whereby it and therewith also the tube 15 is stiffened. The bent edge of the cap has an internal diameter like that of the stick 1 above the notch 7. It will now be obvious that by the cap 17 resting on the stick 1, the tube 15 will be not only supported, but also centered. The cap 17 may be made a little more conical than the tube 15 and is made a little larger in diameter at its lower edge than the flanges of the notch 7. Thus the conical tube .15 will render the upper part of the stick stronger in appearance, and by means of the cap 17 it will lead up from the top piece 12 to the canopy or cover on the ribs 10 10 in the folded state of the umbrella or parasol. Thereby the umbrella or parasol is made to look somewhat like a walking-stick.

It is obvious that the part of the tubular metal stick 1 requires to be cylindrical up to the stop 6 for properly guiding the runner, and therefore it is the part above the stop 6 which according to our invention is reduced in diameter in several steps, and thereby made to taper upward to the upper end.

The umbrella or parasol described so far may be varied without deviating from the spirit of our invention.

What we claim as our invention, and desire to secure by Letters Patent, is

1. An umbrella-stick, a notch thereon, a top piece detachably connected to the stick and having a grooved exterior surface, a tube secured to said grooved surface and a cap having a portion for engaging in said tube and a portion for engaging over the notch.

2. A tubular umbrella-stick, a notch thereon, a top piece having screw-thread engagement with the stick, a tube attached to the top piece, and a cap having a reduced portion for engaging in said tube, and flared portion for engaging over the notch.

In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.

AUGUST KORTEYBACH. KARL WORRI NG.

WVitnesses:

VICTOR W. HELDT, FERD. HAHN. 

